CN2901208Y - Continuous cast composite crucible - Google Patents
Continuous cast composite crucible Download PDFInfo
- Publication number
- CN2901208Y CN2901208Y CN 200620081262 CN200620081262U CN2901208Y CN 2901208 Y CN2901208 Y CN 2901208Y CN 200620081262 CN200620081262 CN 200620081262 CN 200620081262 U CN200620081262 U CN 200620081262U CN 2901208 Y CN2901208 Y CN 2901208Y
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- crucible
- graphite
- continuous casting
- hole
- utility
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Abstract
The utility model provides a composite continuous casting crucible characterized in that the crucible is the composition of an antioxidative protective case and a graphite liner and a clearance fits, the clearance size of the antioxidative protective case and the graphite liner can be obtained by calculating the thermal expansion coefficient of an enclosure material and a graphite material and the size of the crucible. A side wall of the crucible is provided with a perforative hole, and the hole in the graphite liner is a threaded hole. When in use, the threaded hole in the graphite liner links a mold through the thread and can be utilized at the temperature 1250 DEG C for a long period with good sealing. Compared with a pure ceramic crucible, the utility model can achieve precision thread connection, convenience and reliable sealing. Compared with a pure graphite crucible, the utility model has the advantages of low oxidization rate, long lifetime and good performance.
Description
Affiliated technical field
The utility model provides a kind of continuous casting composite crucible, belongs to metallurgical, technical field of material.
Background technology
The continuous casting of heated mold formula is called the OCC continuous casting again, and its mold temperature is higher than the alloy liquid temp, and casting mold only retrains alloy liquid shape, and solidifying of alloy liquid can not taken place on the surface.The hot-fluid of process of setting is derived along the one dimension solid phase, and the freezing interface is protruding in liquid phase usually, and this helps obtaining orientation or monocrystalline solidified structure.
Heated mold continuous casting high-temperature crucibles generally has two kinds of graphite crucible and ceramic crucibles at present.Wherein owing to quick oxidation under the graphite high temperature atmosphere environment, scaling loss, graphite crucible is short service life.During horizontal casting, in the manufacturing process of ceramic crucible shaping and sintering, its wall, especially side wall surface are difficult to process accurate thread, and crucible and casting mold or mozzle are difficult to realize reliably and easily being tightly connected.
The utility model content
The purpose of this utility model provides and a kind ofly can realize the continuous casting composite crucible that reliably and conveniently is tightly connected with casting mold or mozzle.Its technical scheme is:
A kind of continuous casting composite crucible is characterized in that: crucible is composited by anti-oxidation protection shell and graphite inner bag, both matched in clearance, and gap length can be calculated and be got by thermal coefficient of expansion, the crucible size of enclosure material and graphite material.
The compound crucible of described a kind of continuous casting, the needs according to producing preparation efficiency have one or more holes of running through on the sidewall of crucible, and the hole on the graphite inner bag are precision threaded hole.
The compound crucible of described a kind of continuous casting, protecting sheathing adopts ceramic material or ceramic composite, as aluminium oxide ceramics, toughened zirconia ceramics, silicon nitride ceramics, silicon nitride-silicon carbide Si composite ceramic or the like.
The compound crucible of described a kind of continuous casting; protecting sheathing adopts high-temperature oxidation resistant metal material or metal-base composites; as heat resisting steel OCr25Ni20, OCr27Al7Mo2, AISI316L etc., high temperature alloy GH1015, HK40 etc., heat-resisting cast iron RQTAl22, RQTAl4Si4 etc.
The utility model compared with prior art has following advantage:
1, long service life: can be used for the continuous casting production of refractory metal in the medium-term and long-term use of 900 ℃～1250 ℃ air atmospheres;
2, convenient with being connected of casting mold or mozzle, sealing is reliable: because the internal layer of crucible is the graphite inner bag, can the screwed hole that be connected with sealing of a mould be set on its sidewall very easily, be connected by thread seal with casting mold;
3, assembling and replacing are convenient: during assembling, the protecting sheathing mouth is lain on the smooth workbench up, the screwed hole on the graphite inner bag side is alignd with the hole on the protecting sheathing side, lightly the graphite inner bag is put into, composite crucible.Because the ceramic package and the graphite inner bag of crucible are matched in clearance, when the graphite inner bag scaling loss of crucible seriously can not be used, casting mold can be unloaded from crucible, the crucible back-off is patted the crucible shell gently, the graphite inner bag of scaling loss can be taken out.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
1, crucible 2, shell 3, graphite inner bag 4, hole 5, screw thread
Crucible 1 is by inside and outside two-layer being composited, and its skin is a high-temperature oxidation resistant shell 2, and internal layer is a graphite inner bag 3, both matched in clearance.Have the hole of running through 4 on the sidewall of crucible 1, and the hole on the graphite inner bag 34 is precision threaded hole, is convenient to be connected by thread seal with casting mold.
Claims (6)
1, a kind of continuous casting composite crucible is characterized in that: crucible (1) is composited both matched in clearance by anti-oxidation protection shell (2) and graphite inner bag (3).
2, the compound crucible of a kind of continuous casting as claimed in claim 1 is characterized in that: have the hole of running through (4) on the sidewall of crucible (1), and the hole (4) on the graphite inner bag (3) is a precision threaded hole.
3, the compound crucible of a kind of continuous casting as claimed in claim 2 is characterized in that: have a hole (4) on the sidewall of crucible (1).
4, the compound crucible of a kind of continuous casting as claimed in claim 2 is characterized in that: have a plurality of holes (4) on the sidewall of crucible (1).
5, the compound crucible of a kind of continuous casting as claimed in claim 1 is characterized in that: protecting sheathing (2) adopts a kind of of ceramic material or ceramic composite.
6, the compound crucible of a kind of continuous casting as claimed in claim 1 is characterized in that: protecting sheathing (2) adopts a kind of of high-temperature oxidation resistant metal material or metal-base composites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620081262 CN2901208Y (en) | 2006-02-24 | 2006-02-24 | Continuous cast composite crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620081262 CN2901208Y (en) | 2006-02-24 | 2006-02-24 | Continuous cast composite crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901208Y true CN2901208Y (en) | 2007-05-16 |
Family
ID=38085373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620081262 Expired - Fee Related CN2901208Y (en) | 2006-02-24 | 2006-02-24 | Continuous cast composite crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901208Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818454A (en) * | 2012-08-10 | 2012-12-12 | 同济大学 | Composite crucible with advantages of energy saving, low cost and capability of being alloyed |
| CN103938000A (en) * | 2014-04-09 | 2014-07-23 | 长兴正发热电耐火材料有限公司 | Composite crucible for smelting rare earth and production method thereof |
| CN106839768A (en) * | 2016-12-26 | 2017-06-13 | 倪红星 | One kind combination crucible |
| CN114109847A (en) * | 2021-11-29 | 2022-03-01 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | Composite material slurry pump body and manufacturing method thereof |
| CN114394855A (en) * | 2021-12-31 | 2022-04-26 | 中核四0四有限公司 | Preparation method of composite coating for antigravity casting ultrahigh-temperature melt induction heating |
-
2006
- 2006-02-24 CN CN 200620081262 patent/CN2901208Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818454A (en) * | 2012-08-10 | 2012-12-12 | 同济大学 | Composite crucible with advantages of energy saving, low cost and capability of being alloyed |
| CN103938000A (en) * | 2014-04-09 | 2014-07-23 | 长兴正发热电耐火材料有限公司 | Composite crucible for smelting rare earth and production method thereof |
| CN103938000B (en) * | 2014-04-09 | 2016-04-27 | 长兴正发热电耐火材料有限公司 | A kind of rare-earth smelting composite crucible and production method thereof |
| CN106839768A (en) * | 2016-12-26 | 2017-06-13 | 倪红星 | One kind combination crucible |
| CN114109847A (en) * | 2021-11-29 | 2022-03-01 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | Composite material slurry pump body and manufacturing method thereof |
| CN114109847B (en) * | 2021-11-29 | 2024-03-19 | 汉江弘源襄阳碳化硅特种陶瓷有限责任公司 | Composite slurry pump body and manufacturing method thereof |
| CN114394855A (en) * | 2021-12-31 | 2022-04-26 | 中核四0四有限公司 | Preparation method of composite coating for antigravity casting ultrahigh-temperature melt induction heating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |